Finding the Fourth Proportional to 9,522.74, 13,140.15 and 5,330.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.74 : 13,140.15 = 5,330.99 : x
2. Step 2: Convert to fraction form
   9,522.74/13,140.15 = 5,330.99/x
3. Step 3: Cross multiply
   9,522.74x = 13,140.15 × 5,330.99
4. Step 4: Simplify right side
   9,522.74x = 70,050,008.25
5. Step 5: Solve for x
   x = 70,050,008.25/9,522.74
6. Step 6: Final answer
   x = 7,356.08